Home / 8,447.07-12,669.90-2,603.13

Finding the Fourth Proportional to 8,447.07, 12,669.90 and 2,603.13

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Solution

The fourth proportional to 8,447.07, 12,669.90 and 2,603.13 is: 3,904.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.07 : 12,669.90 = 2,603.13 : x
  2. Step 2: Convert to fraction form
    8,447.07/12,669.90 = 2,603.13/x
  3. Step 3: Cross multiply
    8,447.07x = 12,669.90 × 2,603.13
  4. Step 4: Simplify right side
    8,447.07x = 32,981,396.79
  5. Step 5: Solve for x
    x = 32,981,396.79/8,447.07
  6. Step 6: Final answer
    x = 3,904.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.